Multi-H Phase-Coded Modulations with Asymmetric Modulation Indexes
Journal
IEEE Journal on Selected Areas in Communications
Journal Volume
7
Journal Issue
9
Pages
1450-1461
Date Issued
1989
Author(s)
Abstract
Multi-h phase-coded modulation (MHPM) is a bandwidth efficient modulation scheme which offers substantial coding gain over conventional digital modulations. In this paper, a new concept of MHPM with asymmetric modulation indices corresponding to the bipolar data +1 and -1 is considered, and numerical results of the minimum Euclidean distances for such asymmetric binary multi-h schemes are provided. It is shown that performance improvements on the error probability are gained over conventional MHPM with essentially the same bandwidth and a very slight modification in implementation. The upper bounds of error probabilities as functions of observation intervals and received Eb/N0 are also investigated in detail. © 1989 IEEE
Other Subjects
Codes, Symbolic--Encoding; Probability; Signal Processing--Signal Encoding; Asymmetric Modulation Indexes; Error Probabilities; Minimum Euclidean Distances; Multi-h Phase-Coded Modulation (MHPM); Digital Communication Systems
Type
journal article